Every year, around 25 million passengers enter Sheremetyevo airport — and usually they come out again. Not Edward Snowden. The guy who was made famous by spilling the beans about U.S. surveillance programs has managed to keep his own whereabouts strictly hush-hush.

Somehow he has made himself invisible for nearly 12 days in a 1½-km-long transit corridor that is dotted with six VIP lounges, a 66-room capsule hotel, assorted coffee shops, a Burger King and some 20 duty-free shops selling Jack Daniels, Cuban rum, shelves of Russian vodka and red caviar costing four times as much as it does in nearby Moscow.

Unless, that is, he is across the runway in private Terminal A, in the watchful company of Russian officials.